Home / 1,930.77-2,682.95-1,910.70

Finding the Fourth Proportional to 1,930.77, 2,682.95 and 1,910.70

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Solution

The fourth proportional to 1,930.77, 2,682.95 and 1,910.70 is: 2,655.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.77 : 2,682.95 = 1,910.70 : x
  2. Step 2: Convert to fraction form
    1,930.77/2,682.95 = 1,910.70/x
  3. Step 3: Cross multiply
    1,930.77x = 2,682.95 × 1,910.70
  4. Step 4: Simplify right side
    1,930.77x = 5,126,303.01
  5. Step 5: Solve for x
    x = 5,126,303.01/1,930.77
  6. Step 6: Final answer
    x = 2,655.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.